Balance Sheet Components - Additional Information (Detail) - USD ($) |
3 Months Ended | 12 Months Ended | |||
---|---|---|---|---|---|
Dec. 31, 2016 |
Jun. 30, 2016 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
Balance Sheet Components [Abstract] | |||||
Depreciation expense | $ 1,445,000 | $ 1,995,000 | $ 2,051,000 | ||
Outstanding obligations related to construction-in-progress | 0 | 30,000 | |||
Capitalized interest costs | 0 | $ 0 | $ 972,000 | ||
Fill/Finish Line | |||||
Impaired Long-Lived Assets Held and Used [Line Items] | |||||
Loss on impairment of long-lived assets | $ 7,200,000 | $ 1,900,000 | 9,100,000 | ||
Remaining book value of impaired long-lived assets | 5,100,000 | 5,100,000 | |||
Other Assets | |||||
Impaired Long-Lived Assets Held and Used [Line Items] | |||||
Remaining book value of impaired long-lived assets | $ 200,000 | $ 200,000 |